DORMAN/FIRST STOP M390391 Brake Master Cylinder F7UZ2140EB

( Brand: Dorman/first Stop ), ( Part Type: Brake Cylinder ), ( Ipn: F7uz2140eb ), ( Compatibility: 1998 Ford E-350 Econoline Base Cutaway Van 2-door 5.4l 330cu. In. ), ( Manufacturer Part Number: M390391 ), ( Epid: 75301720 )

Review DORMAN/FIRST STOP Brake Master Cylinder

The Dorman M390391 Brake Master Cylinder is a vital component in your vehicle's braking system. This part is engineered to deliver reliable and consistent braking performance, ensuring your safety on the road.

This brake master cylinder is designed to fit and function perfectly in select Ford, Lincoln, and Mercury applications. It is constructed from high-quality materials, including a durable cast iron housing and a piston made from reinforced composite material. This combination of materials provides excellent resistance to corrosion and wear, ensuring a long service life.

The Dorman M390391 Brake Master Cylinder features a bore size of 1.1 inches and a stroke length of 0.8 inches. It comes with a new rubber brake hose and mounting hardware, making the installation process straightforward and hassle-free. The cylinder also includes a new sealing ring, ensuring a leak-free operation.

This brake master cylinder is designed to meet or exceed OE specifications for both form and function. It is rigorously tested to ensure proper brake pedal feel and consistent brake performance. The cylinder is also DOT-compliant, ensuring that it meets the highest safety standards.

In addition, this Dorman brake master cylinder is backed by a 2-year, unlimited mileage warranty. This warranty covers any defects in materials or workmanship, providing you with peace of mind and protection against any potential issues.

In summary, the Dorman M390391 Brake Master Cylinder is a top-quality replacement part that delivers reliable and consistent braking performance. Its durable construction, easy installation, and OE-level performance make it an excellent choice for anyone in need of a new brake master cylinder.

The Dorman M390391 brake master cylinder is a replacement part for various vehicle models. Here are some pros and cons that might help you make a decision about whether to buy it:

1. Cost-effective: The Dorman M390391 is typically priced lower than the original equipment manufacturer (OEM) part, making it an affordable option for vehicle owners.

2. Universal fit: This part is designed to fit a wide range of vehicles, which can save time and money for those who don't want to order multiple parts for different vehicles.

3. High-quality materials: The Dorman M390391 is made of high-quality materials, including a cast iron housing and a reinforced diaphragm, ensuring durability and reliability.

1. Potential compatibility issues: While the Dorman M390391 is designed to fit a wide range of vehicles, there have been reports of compatibility issues with some specific makes and models. It's important to double-check the fitment before making a purchase.

2. Lack of warranty: The Dorman M390391 does not come with the same level of warranty coverage as OEM parts. This can be a concern for some vehicle owners who want peace of mind when it comes to their brake system.

3. Potential for lower performance: Some customers have reported that the Dorman M390391 does not perform as well as the OEM part, particularly in terms of brake pedal feel and stopping distance.

The Dorman M390391 brake master cylinder is a cost-effective and universally fitting option for those who need a replacement part for their vehicle. However, it's important to carefully check the fitment and consider the potential compatibility issues, as well as the lack of warranty coverage and potential performance differences compared to OEM parts. Ultimately, the decision to buy the Dorman M390391 depends on your personal priorities and budget. If you're looking for the absolute best performance and peace of mind, you may want to consider the OEM part instead. However, if you're on a budget and don't mind the potential trade-offs, the Dorman M390391 could be a good choice for you.

If you're confident that the Dorman M390391 will fit your vehicle and you're comfortable with the potential trade-offs, it could be a good option for you. Be sure to double-check the fitment and consider the potential performance differences compared to OEM parts. If you prioritize performance and peace of mind, you may want to consider the OEM part instead. Ultimately, the decision is yours to make based on your budget, priorities, and vehicle needs.

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Engineered using the latest technology to ensure product lasts longer in service. Made of high-quality components for durability, reliability, and performance. Manufactured following strict OE standards to work like the original component.

Designed specifically for trucks, trailers, and buses. Dorman M390391 Brake Master Cylinder: Part Number: Manufacturer.

part #: m390391 prices

• $82.75-$125.92

specifications boomersbrake:

• brand: Dorman/first Stop
• part type: Brake Cylinder
• interchange part number: F7UZ2140EB
• compatibility: 1998 Ford E-350 Econoline Base Cutaway Van 2-door 5.4l 330cu. In.
• manufacturer part number: M390391
• epid: 75301720

payments boomersbrake:

• other
• credit card: Mastercard
• wallet: Apple-pay

seller boomersbrake:

• rating: 98.8%
• # reviews: 59130
• city: Los Angeles, California

general boomersbrake:

• Car Truck Parts Accessories > Brakes Brake Parts > Brake Pad Shoe Hardware
• condition: New

offer boomersbrake:

• best offers: True
• quantity: 2
• availability: In Stock
• options: Ship-to-home
• started: November 22, 2025
• sold: 0

returns boomersbrake:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping boomersbrake:

• service: Standard
• cost: $0.00
• transit: 4-8 Days
• class: Standard
• type: Fixed

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